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Wyniki wyszukiwania dla: BLASTING AGENTS
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Fecal indicators resistance to antimicrobial agents present in municipal wastewater
PublikacjaIn this study removal rate of six antimicrobial compounds (belonging to folate pathway inhibitors and macrolides class) was analyzed in processes of local wastewater treatment plant (WWTP) together with susceptibility patterns of erythromycin (E) resistant Enterococcus spp. and trimethoprim/sulfamethoxazole (SXT) resistant Escherichia coli. According to the obtained data, six of tested antimicrobial agents, namely erythromycin,...
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GROUP COMPOSER - System for Modeling Agents’ Team Building for Tasks
PublikacjaMulti-agent systems consist of many autonomous units, called agents, that can interact when trying to achieve their goals. The selection of interaction partners is called team formation. Three basic approaches can be considered to match multi-agent system resources to the problem at hand. To research the properties of different approaches, a software for modeling team formation in multi-agent systems has been created and is presented...
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An untraceability protocol for mobile agents and its enhanced security study
PublikacjaArtykuł przedstawia rozszerzoną analizę bezpieczeństwa zaproponowanego przez nas protokołu ochrony przed tropieniem (ang. untraceability protocol) dla agentów mobilnych. Jak dotąd, tak systematyczna analiza bezpieczeństwa nie została przeprowadzona. Co więcej, istniejące znane analizy bezpieczeństwa koncentrują się wyłącznie na atakujących wewnętrznych. Uważamy, że stworzona przez nas lista kontrolna ataków może posłużyć jako...
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Selection of derivatisation agents for chlorophenols determination with multicriteria decision analysis
PublikacjaThe paper shows very systematic method of selection of derivatisation agents for a given group of analytes. In this study 8 derivatisation agents are assessed for their capability to derivatise 8 chlorophenols. Multicriteria decision analysis is used to combine many objectives of derivatisation agents selection into single, easy to be interpreted numerical value. Three basic analyses were performed to obtain rankings with the aims...
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Constructing autonomous agents using the cognitive-emotional architecture of the mind
PublikacjaThe article discusses an important issue regarding the humanoid aspects of modern science related to the autonomy of systems and robotization. Particular attention is paid to the basic aspects of cognitive architecture. After a short introduction, the Intelligent Decision Making System, developed at the ETI Faculty of the Gdańsk University of Technology, is described.
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The Influence of Binding Agents on Stiffness of Mineral-cement-emulsion Mixtures
PublikacjaThis paper attempts to determine the behavior of mineral-cement-emulsion mixture (MCE) under load, whether is it similar to asphalt mixtures (viscoelastic behavior) or to cement treated materials (elastic behavior). To answer this question nine mineral- cement-emulsion mixtures with different combinations of cement and emulsion content were tested in laboratory using Simple Performance Test (SPT). For each mixture stiffness moduli...
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Deterministic rendezvous of asynchronous bounded-memory agents in polygonal terrains
PublikacjaTwo mobile agents, modeled as points starting at differentlocations of an unknown terrain, have to meet. The terrain is a polygon with polygonal holes. We consider two versions of this rendezvous problem: exact RV, when the points representing the agents have to coincide at some time, and epsilon-RV, when these points have to get at distance less than epsilon in the terrain. In any terrain, each agent chooses its trajectory, but...
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A Review of Traffic Analysis Attacks and Countermeasures in Mobile Agents' Networks
PublikacjaFor traditional, message-based communication, traffic analysis has been already studied for over three decades and during that time various attacks have been recognised. As far as mobile agents’ networks are concerned only a few, specific-scope studies have been conducted. This leaves a gap that needs to be addressed as nowadays, in the era of Big Data, the Internet of Things, Smart Infrastructures and growing concerns for privacy,...
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Concept of the mobile monitoring system for chemical agents control in the air
PublikacjaW artykule przedstawiono koncepcję mobilnego systemu monitoringu związków chemicznych zanieczyszczających powietrze. Nowością w przedstawionej koncepcji monitoringu jest pomiar zanieczyszczeń powietrza wzdłuż ciągów komunikacyjnych, co do tej pory nie jest realizowane. W tym celu przedstawiono propozycję rozwiązania stosunkowo małego, bezobsługowego modułu do pomiarów związków chemicznych, który z łatwością będzie montowany na...
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Seed-Roasting Process Affects Oxidative Stability of Cold-Pressed Oils
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Elastic protection coasting for ship tanks to increase environment protection level
PublikacjaW opracowaniu przedstawiono ideę nowego rozwiązania dla podniesienia bezpieczeństwa zbiorników paliwowych statków, polegającą na wprowadzeniu do zbiornika drugiej - elastycznej bariery ochronnej opartej na warstwie wypełniacza.
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An Algorithm for Listing All Minimal 2-Dominating Sets of a Tree
PublikacjaWe provide an algorithm for listing all minimal 2-dominating sets of a tree of order n in time O(1.3248n) . This implies that every tree has at most 1.3248 n minimal 2-dominating sets. We also show that this bound is tigh.
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An algorithm for listing all minimal double dominating sets of a tree
PublikacjaWe provide an algorithm for listing all minimal double dominating sets of a tree of order $n$ in time $\mathcal{O}(1.3248^n)$. This implies that every tree has at most $1.3248^n$ minimal double dominating sets. We also show that this bound is tight.
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Multi-agent systems registration and maintenance of address mapping without agent self-registation
PublikacjaMonitoring of dynamic multi-agent systems, here agents are allowed to appear and disappear, and can migrate between network nodes is a complex tasks. Applying the traditional monitoring methods is not effective, as little can be assumed in advance about such environments. It is necessary to track changes in addressing and availability of agents to create and maintain mapping between agents and their network addresses. The...
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Multi agent grid systems
PublikacjaThis chapter presents an idea of merging grid and volunteer systemswith multi agent systems. It gives some basics concerning multi agentsystem and the most followed standard. Some deliberations concerningsuch an existing systems were made in order to finally present possibilities of introducing agents into the Comcute system.
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Security and Anonymity in Agent Systems
PublikacjaMany agent systems have been developed and suggested for commercial application. However, in spite of the significant potential offered by the agent paradigm, the lack of such important properties as security, anonymity and untracebility especially in open dynamical environment, such as the Internet, has blocked the active implementation of agent technologies. Protecting agent systems poses a more demanding challenge comparing...
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A derivatisation agent selection guide
PublikacjaThe development of new tools for providing high quality information in a cost-effective and expeditious way is one of the main aims of analytical chemistry. Remarkably, the introduc- tion of the 12 principles of green chemistry paved the way forward for the development of analytical methodologies that are, ideally, inherently safe for the operator and the environ- ment, with the least possible consumption of energy and chemicals,...
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Analyzing the Geometry of the Turnouts and Their Adjustment Basing on the Tacheometer Measurements
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Determining nominal values basing on the measured rail irregularities
PublikacjaW referacie przedstawiono metodę optymalnego wyznaczania wartości nominalnych na podstawie pomierzonych nierówności toru. Idea proponowanej metody polega na zaprojektowaniu nowego układu geometrycznego wpisanego w istniejący układ stycznych, tzn. bez zmiany kąta zwrotu trasy. Wyznaczone wartości nominalne są wielkościami optymalnymi, tj. takimi dla których odchyłki będą najmniejsze, z jednoczesnym zachowaniem wymagań normowych.W...
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Analyzing the Geometry of the Turnouts and Their Adjustment Basing on the Tacheometer Measurements
PublikacjaThe article presents the results of tacheometric measurements of a station throat, as well as the method of data preparation and analysis. The calculations covered the verification of the geometry and the location of railway turnouts and crossings. The analyses were performed for the selected parameters of the turnout geometry, including their lengths and track gauge in main sections. In addition, the data were analyzed to confirm...
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Lasing modes of infinite periodic chain of quantum wires
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Exposure status of sea-dumped chemical warfare agents in the Baltic Sea
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Biological fluids as a source of information on the exposure of man to envinonmental chemical agents.
PublikacjaWiele związków (min. lotne związki chlorowcoorganiczne, metale) ma szkodliwy wpływ na tkanki i narządy organizmu ludzkiego, wywołując nieodwracalne zmiany chorobowe. W celu określenia zagrożenia zawodowego coraz częściej wykonuje się pomiar stężeń substancji chemicznych i ich metabolitów w płynach biologicznych - moczu, krwi, rzadziej w mleku matki, żółci, ślinie, czy też spermie. Aby oznaczyć poziomy tych stężeń, pobrane próbki...
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Performance analysis of untraceability protocols for mobile agents using an adaptable framework
PublikacjaArtykuł przedstawia środowisko oceny wydajności protokołów ochrony przed tropieniem agentów mobilnych oraz wyniki analiz przeprowadzonych za jego pomocą. Chociaż środowisko projektowano i implementowano z myślą o ewaluacji zaproponowanych przez nas protokołów ochrony przed tropieniem, w trakcie badań okazało się, że może ono zostać również wykorzystane do badań całej klasy protokołów bezpieczeństwa dla agentów mobilnych. Chodzi...
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Synthesis of conjugates of Combretastatin A-4 with tuftsin derivatives as potential anticancer agents
PublikacjaZaprezentowano syntezę nowych koniugatów Combretastatyny A-4 z pochodnymi tuftsyny i retro-tuftsyny, jako potencjalnych związków przeciwnowotworowych.
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The Baltic Sea as a dumping site of chemical munitions and chemical warfare agents
PublikacjaW pracy przedstawiono problem składowania w Morzu Bałtyckim aminucji chemicznej i bojowych środków trujących. Przedstawiono typy oraz charakterystykę BST składowanych na dnie Morza Bałtyckiego. Omówiono potencjalne zagrożenia dla środowiska abiotytcznego oraz dla organizmów żywych związanych z tego typu składowiskami. Przedstawiono również podstawowe informacje o procedurach analitycznych, które mogą być wykorzystane do wykrywania...
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Synthesis of conjugates of amino-combretastatin with tuftsin derivatives as potential anticancer agents
PublikacjaOpisano syntezę nowych koniugatów 3'-N-(tuftsyno lub retro-tuftsyno)-amino-kombretastatyny jako potencjalnych związków przeciw-nowotworowych. Do syntezy amino-kombretastatyny (amino-CA-4) wykorzystano reakację Wittiga a koniugatów metodę DPPA. Mamy nadzieję, że połączenie pochodnych tuftsyny z amino-CA-4 wpłynie na polepszenie właściwości terapeutycznych CA-4.
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Novel amides of mycophenolic acid and some heterocyclic derivatives as immunosuppressive agents
PublikacjaThe group of new amide derivatives of mycophenolic acid (MPA) and selected heterocyclic amines was synthesised as potential immunosuppressive agents functioning as inosine-5'-monophosphate dehydrogenase (IMPDH) uncompetitive inhibitors. The synthesis employed uronium-type activating system (TBTU/HOBt/DIPEA) while or phosphonic acid anhydride method (T3P/Py) facilitating amides to be obtained in moderate to excellent yields without...
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Synthesis and Biological Evaluation of Acridine/Acridone Analogs as Potential Anticancer Agents
PublikacjaAcridine and acridone analogues were prepared by Ullmann condensation and then cyclization reaction. As a result of nucleophilic substitution reaction 1-nitro-9-phenoxyacridine or 1-chloro-4-nitro-9(10H)-acridone with the corresponding peptides, the planned acridine derivatives (10a-c, 12, 17-a-d, 19) have been obtained. The cytotoxic activity of the newly obtained analogs were evaluated against melanotic (Ma) and amelanotic (Ab)...
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Bilateral multi-issue negotiation of execution contexts by proactive document agents
PublikacjaA proactive document can react to its actual environment by autonomously selecting and performing actions integrated into its body and interact with its user. When migrating over a network of execution devices it may encounter diverse execution contexts, each one set up according to temporal characteristics of a receiving device and preferences of its owner. A concept to augment proactive documents with negotiation capability is...
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Boosting of Antibacterial Performance of Cellulose Based Paper Sheet via TiO2 Nanoparticles
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Boosting of photocatalytic hydrogen evolution via chlorine doping of polymeric carbon nitride
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SELF-ENUCLEATION OF BOTH EYES IN SCHIZOPHRENIA & INTELLECTUAL DISABILITY: A CURSE OR A BLESSING?
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SELF-ENUCLEATION OF BOTH EYES IN SCHIZOPHRENIA & INTELLECTUAL DISABILITY: A CURSE OR A BLESSING?
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The influence of roasting and additional processing on the content of bioactive components in special purpose coffees
PublikacjaCoffee being the beverage consumed worldwide is also a very competitive commodity. Consequently, producers seek ways of attracting consumers by proposing e.g. novel ingredient combinations usually without evaluating their health quality. In this study, variations in health-promoting determinants for five special purpose coffee brews were characterized. The major bioactive components - chlorogenic acids (CAs) - detected by HPLC-DAD-MS...
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Spectroscopic studies of UV-irradiated poly(vinyl alcohol)/elastin blends
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Possibility to apply unified methodology in vibration analysis for long lasting and impulse sources, in terms of influence on people in buildings
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Old Problems - New Solutions: Conversion of Capitals as a Tool for Shaping the Competitive Position in the Economic Field
PublikacjaThe acts and operations any social actor effectuates in each of the logically distinguished spheres of reality are conditioned by many factors, among which a reliable analysis of the strengths and weaknesses of an agent should be considered of utmost importance. The concept of capitals presented in this article divides the quantity of resources available to all acting agents into four main categories (which allows for determining...
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Old Problems - New Solutions: Conversion of Capitals as a Tool for Shaping the Competitive Position in the Economic Field
PublikacjaThe acts and operations any social actor effectuates in each of the logically distinguished spheres of reality are conditioned by many factors, among which a reliable analysis of the strengths and weaknesses of an agent should be considered of utmost importance. The concept of capitals presented in this article divides the quantity of resources available to all acting agents into four main categories (which allows for determining...
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Spectroelectroanalytical properties of antitumor agent C1311
PublikacjaZastosowano kilka metod woltamperometrycznych dla charakterystyki właściwości elektrochemicznych przeciwnowotworowej pochodnej imidazoakrydonu o symbolu C-1311. Wyniki wskazały, że możliwym będzie zastosowanie metod elektrochemicznych do badania oddziaływań badanego związku z DNA. Badania spektroelektrochemiczne ujawniły, że oscylacyjne zmiany absorbcji związku obserwowane po cyklicznej polaryzacji elektrody. Oscylacje te znikały...
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APIS – Agent Platform for Integration of Services
PublikacjaThe paper presents an approach to creating the platform for development and evaluation of complex tasks execution algorithms. Proposed solution is based on an agent paradigm where independent peers can cooperate and negotiate in order to execute specified tasks which are defined only by the final output description. Tasks are realized by the means of services exposed by different peers. In case when there is no single service fulfilling...
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Smart Email - Almost an Agent Platform
PublikacjaNetwork organizations suffer today of information overload and strain that rise their operational costs. One of the reasons of that is the dominance of email messaging as the princi-pal means of document exchange between their workers. Proac-tive documents can rationalize these costs and augment email systems with a process view based on collaboration patterns.
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MAlSim - Mobile Agent Malware Simulator
PublikacjaOne of the problems related to the simulation of attacks against critical infrastructures is the lack of adequate tools for the simulation of malicious software (malware). Malware attacks are the most frequent in the Internet and they pose a serious threat against critical networked infrastructures. To address this issue we developed Mobile Agent Malware Simulator (MAISim). The framework uses the technology of mobile agents and...
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An agent-based approach to ANN training
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An agent-based framework for distributed learning
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Architecture supporting security of agent systems
PublikacjaW rozprawie zaproponowano nową architekturę bezpieczeństwa wspomagającą anonimowość w systemach agentowych. Moduł I architektury zapewnia funkcjonalność protokołu ochrony przed tropieniem (ang. untraceability), z tą zaletą, że nie wprowadza ograniczeń wobec agentów samodzielnie ustalających trasę własnej wędrówki. Stanowi rdzeń architektury, który zaimplementowano jako rozszerzenie platformy agentowej JADE, udostępniane publicznie...
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Anonymity Architecture for Mobile Agent Systems
PublikacjaThe paper presents a new security architecture for MAS, which supports anonymity of agent owners. The architecture is composed of two main elements: Module I: Untraceability Protocol Infrastructure and Module II: Additional Untraceability Support. Module I is based on the recently proposed untraceability protocol for MAS and it forms the core of the anonymity architecture, which can be supported by the ele- ments of the second...
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Building federation of digital libraries basing on concept of atomic services
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Respiratory system modelling and simulation basing on the forced oscilation technique
PublikacjaConventional methods of testing lung functioning demand a specific respiratory action of the patient. In contrast, the forced oscillation technique (fot) provides measurements obtained with a minimal cooperation of the subject. The aim of this study is to verify the usefulness of the forced oscillation technique modelling in respiratory system diagnosing. in order to do it two models of fot measurements have been considered: the...
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Scene Segmentation Basing on Color and Depth Images for Kinect Sensor
PublikacjaIn this paper we propose a method for segmenting single images from Kinect sensor by considering both color and depth information. The algorithm is based on a series of edge detection procedures designed for particular features of the scene objects. RGB and HSV color planes are separately analyzed in the first step with Canny edge detector, resulting in overall color edges mask. In depth images both clear boundaries and smooth...